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65 lines
3.4 KiB
C
65 lines
3.4 KiB
C
/*====================================================================*
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- Copyright (C) 2001 Leptonica. All rights reserved.
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-
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- Redistribution and use in source and binary forms, with or without
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- modification, are permitted provided that the following conditions
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- are met:
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- 1. Redistributions of source code must retain the above copyright
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- notice, this list of conditions and the following disclaimer.
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- 2. Redistributions in binary form must reproduce the above
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- copyright notice, this list of conditions and the following
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- disclaimer in the documentation and/or other materials
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- provided with the distribution.
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-
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- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
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- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*====================================================================*/
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#ifndef LEPTONICA_WATERSHED_H
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#define LEPTONICA_WATERSHED_H
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/*!
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* \file watershed.h
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*
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* Simple data structure to hold watershed data.
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* All data here is owned by the L_WShed and must be freed.
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*/
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/*! Simple data structure to hold watershed data. */
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struct L_WShed
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{
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struct Pix *pixs; /*!< clone of input 8 bpp pixs */
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struct Pix *pixm; /*!< clone of input 1 bpp seed (marker) pixm */
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l_int32 mindepth; /*!< minimum depth allowed for a watershed */
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struct Pix *pixlab; /*!< 16 bpp label pix */
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struct Pix *pixt; /*!< scratch pix for computing wshed regions */
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void **lines8; /*!< line ptrs for pixs */
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void **linem1; /*!< line ptrs for pixm */
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void **linelab32; /*!< line ptrs for pixlab */
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void **linet1; /*!< line ptrs for pixt */
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struct Pixa *pixad; /*!< result: 1 bpp pixa of watersheds */
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struct Pta *ptas; /*!< pta of initial seed pixels */
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struct Numa *nasi; /*!< numa of seed indicators; 0 if completed */
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struct Numa *nash; /*!< numa of initial seed heights */
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struct Numa *namh; /*!< numa of initial minima heights */
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struct Numa *nalevels; /*!< result: numa of watershed levels */
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l_int32 nseeds; /*!< number of seeds (markers) */
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l_int32 nother; /*!< number of minima different from seeds */
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l_int32 *lut; /*!< lut for pixel indices */
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struct Numa **links; /*!< back-links into lut, for updates */
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l_int32 arraysize; /*!< size of links array */
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l_int32 debug; /*!< set to 1 for debug output */
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};
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typedef struct L_WShed L_WSHED;
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#endif /* LEPTONICA_WATERSHED_H */
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